304 ENTOMOLOGICAL NEWS. [July, 'lO 



terior and anterior edges of lateral lobes of latter likewise testaceous 

 as are also the anterior and middle legs and portion of the hind fe- 

 mora. 



Length of body, $ , 34 mm., of pronotum, 8 mm., of tegmina, 22 

 mm., of hind femora, 19 mm., of antennae 16.5 mm. 



Habitat. The type comes from Puerto Bertoni, Paraguay, 

 where it was taken in November, 1909, by A. de Winkelried 

 Bertoni. It was submitted under the number 400. 



This form may be separated from the previously described 

 species by the subjoined table. 



TABLE FOR DETERMINING THE SPECIES OF DIPONTHUS. 

 A. Tubercle of the prosternum acuminate, retroarcuate. 

 b. General color green or olive ; tegmina immaculate, the margins 



pale, 

 c. Grass-green ; wings greenish-hyaline. Posterior femora on 



outer face not dotted with black electus Serv. 



cc. Olive green ; tegmina dilute fuscous ; wings subhyaline. rose- 

 color basally, the nervures brown. Posterior femora 

 on the outer face with two bands and the condyle 

 black or blackish ; hind tibi?e with base, apex and 



spines black dispar Gerst. 



bb. General color ochraceous or fuscous ; tegmina maculate. 



c. Wings blue, the apex bordered with brown ; hind tibi?e black 

 and yellow annulate, not black-dotted, festivus Gerst. 

 cc. Wings rose color, tesselate with black ; hind tibiae yellow, 

 dotted with black apex and base dusky, 



clarazianus Pict. et Sauss. 



AA. Tubercle of the prosternum straight, not retroarcuate. 

 b. Pronotum with the pale lines percurrent, three dorsal, straight ; 

 two lateral, suboblique. Body and legs yellow, black 

 and red ; tegmina black tesselate with yellow 



puelchus Pict. et Sauss. 

 bb. Pronotum with the pale lines not percurrent, except the dorsal 



one alone in some instances, 

 c. Larger (male, 40, female 51 mm.) Testaceous conspersed with 



black nigro-conspersus Stal. 



cc. Smaller (male, 24-29, female, 30-40 mm.) Color variable, 

 d. General form very robust, the tegmina and wings not quite 

 reaching the tip of abdomen or apex of hind femora. 

 Wings hyaline or flavous, without a tinge of red or 

 roseate. Hind femora not banded or fasciate 



crassus N. Sp. 



